The SY21401 is a current mode DC/DC controller targeted for Boost, SEPIC, Flyback and Forward applications. The SY21401 has an accurate DC input current limit. External compensation provides flexible adjustment of control loops for different applications. The internal low side driver is capable of sourcing 1.5A and sinking 3A current.

The SY21412A is a current mode DC/DC controller targeted for both boost and SEPIC applications. SY21412A has accurate output current limit. External compensation provides flexible adjustment of control loops for different applications. The internal low side driver is capable of sourcing 1.5A and sinking 3A current.

3A Fast-Response LDO Regulator

36V, Boost/Flyback/Sepic Controller

60V Synchronous Four-switch Buck-Boost Controller

High Efficiency 300kHz, 25V Boost/SEPIC Controller with Output Current Limit

Super Low Dropout 1A LDO Regulator

36V Synchronous Buck Controller for Automotive Application

150mA LDO Regulator

11-Channel Multi-Spectrum Sensor